package com.main.locatme;

import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.res.Configuration;
import android.content.res.TypedArray;
import android.os.Bundle;
import android.support.v4.app.ActionBarDrawerToggle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.widget.DrawerLayout;
import android.util.Log;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;

import com.locatme.adapter.NavDrawerListAdapter;
import com.locatme.fragment.EventsFragment;
import com.locatme.fragment.FriendsFragment;
import com.locatme.fragment.HomeFragment;
import com.locatme.fragment.InvitationsFragment;
import com.locatme.fragmentmaps.MapsFragment;
import com.locatme.model.NavDrawerItem;
import com.locatme.modelBD.UtilisateurBD;

import java.util.ArrayList;
import java.util.List;

public class MainActivity extends FragmentActivity {

    private DrawerLayout mDrawerLayout;
    private ListView mDrawerList;
    private ActionBarDrawerToggle mDrawerToggle;
    private UtilisateurBD userBD;
    private FragmentManager fragmentManager;

    // nav drawer title
    private CharSequence mDrawerTitle;

    // used to store app title
    private CharSequence mTitle;

    // slide menu items
    private String[] navMenuTitles;
    private TypedArray navMenuIcons;

    private List<NavDrawerItem> navDrawerItems;
    private NavDrawerListAdapter adapter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        userBD= new UtilisateurBD(this);

        mTitle = mDrawerTitle = getTitle();

        // load slide menu items
        navMenuTitles = getResources().getStringArray(R.array.nav_drawer_items);

        // nav drawer icons from resources
        navMenuIcons = getResources()
                .obtainTypedArray(R.array.nav_drawer_icons);

        mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
        mDrawerList = (ListView) findViewById(R.id.list_slidermenu);

        navDrawerItems = new ArrayList<NavDrawerItem>();

        // adding nav drawer items to array
        // Home
        navDrawerItems.add(new NavDrawerItem(navMenuTitles[0], navMenuIcons.getResourceId(0, -1)));
        //Map
        navDrawerItems.add(new NavDrawerItem(navMenuTitles[1], navMenuIcons.getResourceId(1, -1)));
        //Friend list
        navDrawerItems.add(new NavDrawerItem(navMenuTitles[2], navMenuIcons.getResourceId(2, -1)));
        // Events
          navDrawerItems.add(new NavDrawerItem(navMenuTitles[3], navMenuIcons.getResourceId(3, -1)));
        // Invitations
        navDrawerItems.add(new NavDrawerItem(navMenuTitles[4], navMenuIcons.getResourceId(4, -1)));
        // Deconnexion
        navDrawerItems.add(new NavDrawerItem(navMenuTitles[5], navMenuIcons.getResourceId(5, -1)));



        // Recycle the typed array
        navMenuIcons.recycle();

        mDrawerList.setOnItemClickListener(new SlideMenuClickListener());

        // setting the nav drawer list adapter
        adapter = new NavDrawerListAdapter(getApplicationContext(),
                navDrawerItems);
        mDrawerList.setAdapter(adapter);

        // enabling action bar app icon and behaving it as toggle button
        getActionBar().setDisplayHomeAsUpEnabled(true);
        getActionBar().setHomeButtonEnabled(true);

        mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout,
                //nav menu toggle icon
                R.drawable.ic_drawer,
                // nav drawer open - description for accessibility
                R.string.app_name,
                // nav drawer close - description for accessibility
                R.string.app_name
        ) {
            @Override
            public void onDrawerClosed(View view) {
                getActionBar().setTitle(mTitle);

                invalidateOptionsMenu();
            }

            @Override
            public void onDrawerOpened(View drawerView) {
                getActionBar().setTitle(mDrawerTitle);

                invalidateOptionsMenu();
            }
        };
        mDrawerLayout.setDrawerListener(mDrawerToggle);

        if (savedInstanceState == null) {
            // on first time display view for first nav item
            displayView(0);
        }
    }

    /**
     * Slide menu item click listener
     * */
    private class SlideMenuClickListener implements
            ListView.OnItemClickListener {
        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position,
                                long id) {
            // display view for selected nav drawer item
            displayView(position);
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // toggle nav drawer on selecting action bar app icon/title
        if (mDrawerToggle.onOptionsItemSelected(item)) {
            return true;
        }
        // Handle action bar actions click
        switch (item.getItemId()) {
            case R.id.action_settings:
                return true;
            default:
                return super.onOptionsItemSelected(item);
        }
    }

    /***
     * Called when invalidateOptionsMenu() is triggered
     */
    @Override
    public boolean onPrepareOptionsMenu(Menu menu) {
        // if nav drawer is opened, hide the action items
        boolean drawerOpen = mDrawerLayout.isDrawerOpen(mDrawerList);
        menu.findItem(R.id.action_settings).setVisible(!drawerOpen);
        return super.onPrepareOptionsMenu(menu);
    }

    /**
     * Diplaying fragment view for selected nav drawer list item
     * */
    private void displayView(int position) {
        // update the main content by replacing fragments
        Fragment fragment = null;
        switch (position) {
            case 0:
                fragment = new HomeFragment();
                break;
            case 1:
                fragment = new MapsFragment();
                break;
            case 2:
                fragment = new FriendsFragment();
                break;
            case 3:
                fragment = new EventsFragment();
                break;
            case 4:
                fragment = new InvitationsFragment();
                break;
            case 5:
                new AlertDialog.Builder(MainActivity.this)
                        .setTitle("Quitter")
                        .setMessage("Vous allez être déconnecté. Confirmer ?")
                        .setPositiveButton(android.R.string.ok,
                                new DialogInterface.OnClickListener()
                                {
                                    public void onClick(DialogInterface dialog, int which)
                                    {
                                        System.exit(0);
                                    }
                                })
                        .setNegativeButton(android.R.string.cancel,
                                new DialogInterface.OnClickListener()
                                {
                                    public void onClick(DialogInterface dialog, int which)
                                    {

                                    }
                                })
                        .create()
                        .show();
                //System.exit(0);
                break;
            default:
                break;
        }

        if (fragment != null) {
             fragmentManager = getSupportFragmentManager();
            fragmentManager.beginTransaction()
                    .replace(R.id.frame_container, Fragment.instantiate(MainActivity.this, fragment.getClass().getName())).commit();
            // update selected item and title, then close the drawer
            mDrawerList.setItemChecked(position, true);
            mDrawerList.setSelection(position);
            setTitle(navMenuTitles[position]);
            mDrawerLayout.closeDrawer(mDrawerList);
        }else{
            // error in creating fragment
            Log.e("MainActivity", "Error in creating fragment");
        }
    }

    @Override
    public void setTitle(CharSequence title) {
        mTitle = title;
        getActionBar().setTitle(mTitle);
    }

    /**
     * When using the ActionBarDrawerToggle, you must call it during
     * onPostCreate() and onConfigurationChanged()...
     */

    @Override
    protected void onPostCreate(Bundle savedInstanceState) {
        super.onPostCreate(savedInstanceState);
        // Sync the toggle state after onRestoreInstanceState has occurred.
        mDrawerToggle.syncState();
    }

    @Override
    public void onConfigurationChanged(Configuration newConfig) {
        super.onConfigurationChanged(newConfig);
        // Pass any configuration change to the drawer toggls
        mDrawerToggle.onConfigurationChanged(newConfig);
    }


  @Override
  public boolean onKeyDown(int keyCode, KeyEvent event)
  {

      switch(keyCode){

          case KeyEvent.KEYCODE_BACK :
              Log.i("BTN", "backpressed: System.exit(0)");


              new AlertDialog.Builder(MainActivity.this)
                      .setTitle("Quitter")
                      .setMessage("Vous allez être déconnecté. Confirmer ?")
                      .setPositiveButton(android.R.string.ok,
                              new DialogInterface.OnClickListener()
                              {
                                  public void onClick(DialogInterface dialog, int which)
                                  {
                                      System.exit(0);
                                  }
                              })
                      .setNegativeButton(android.R.string.cancel,
                              new DialogInterface.OnClickListener()
                              {
                                  public void onClick(DialogInterface dialog, int which)
                                  {

                                  }
                              })
                      .create()
                      .show();

              return true;
      }
      return false;
  }
}